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    IB Math AASL
    /
    Descriptive Statistics
    /

    Video

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    Watch comprehensive video reviews for most units, designed for final exam preparation. Each video includes integrated problems you can solve alongside detailed solutions.

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    Exam Preparation: Complete unit reviews designed for final exam preparation with all key concepts covered systematically.

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    Not your average video:

    Interactive Problems: Solve problems alongside the video with step-by-step guidance and detailed solutions.

    Exam Preparation: Complete unit reviews designed for final exam preparation with all key concepts covered systematically.

    Expert Teaching: High-quality instruction from Perplex co-founder James Mullen with clear explanations, worked examples, and exam tips.

    Descriptive Statistics

    Video Reviews

    Watch comprehensive video reviews for Descriptive Statistics, designed for final exam preparation. Each video includes integrated problems you can solve alongside detailed solutions.

    Not your average video:

    Interactive Problems: Solve problems alongside the video with step-by-step guidance and detailed solutions.

    Exam Preparation: Complete unit reviews designed for final exam preparation with all key concepts covered systematically.

    Expert Teaching: High-quality instruction from Perplex co-founder James Mullen with clear explanations, worked examples, and exam tips.

    Not your average video:

    Interactive Problems: Solve problems alongside the video with step-by-step guidance and detailed solutions.

    Exam Preparation: Complete unit reviews designed for final exam preparation with all key concepts covered systematically.

    Expert Teaching: High-quality instruction from Perplex co-founder James Mullen with clear explanations, worked examples, and exam tips.

    Data & SamplesMeasuresVisualsRegression

    The video will automatically pause when it reaches a problem.

    Mean

    SL 4.3

    The mean of a numerical dataset is the average of all the values:

    xˉ=number of valuessum of values​🚫


    The mean is also sometimes denoted μ.


    For example, the mean of [1,3,4,7,8] is

    xˉ=51+3+6+7+8​=525​=5

    Mean

    SL 4.3

    The mean of a numerical dataset is the average of all the values:

    xˉ=number of valuessum of values​🚫


    The mean is also sometimes denoted μ.


    For example, the mean of [1,3,4,7,8] is

    xˉ=51+3+6+7+8​=525​=5
    Data & SamplesMeasuresVisualsRegression